Finding the Fourth Proportional to 98,548,189.10, 135,997,381.99 and 54,498,151.68
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Solution
The fourth proportional to 98,548,189.10, 135,997,381.99 and 54,498,151.68 is: 75,207,936.54
Step by Step Solution
- Step 1: Write the proportion equation
98,548,189.10 : 135,997,381.99 = 54,498,151.68 : x - Step 2: Convert to fraction form
98,548,189.10/135,997,381.99 = 54,498,151.68/x - Step 3: Cross multiply
98,548,189.10x = 135,997,381.99 × 54,498,151.68 - Step 4: Simplify right side
98,548,189.10x = 7,411,605,951,773,921 - Step 5: Solve for x
x = 7,411,605,951,773,921/98,548,189.10 - Step 6: Final answer
x = 75,207,936.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.